noun cost·mary \ˈkst-ˌmer-ē, ˈkäst-\
plural cost·mar·ies

Definition of COSTMARY

:  an aromatic composite Eurasian herb (Chrysanthemum balsamita syn. Tanacetum balsamita) having leaves used as a potherb and in flavoring

Origin of COSTMARY

Middle English costmarie, from coste costmary (from Old English cost, from Latin costum, from Greek kostos, a fragrant root) + Marie the Virgin Mary
First Known Use: 14th century


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